[  420.435539] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  420.449222] br0: port 1(c1) entered blocking state
[  420.449272] br0: port 1(c1) entered disabled state
[  420.449305] c1: entered allmulticast mode
[  420.449367] c1: entered promiscuous mode
[  420.463782] br0: port 2(c2) entered blocking state
[  420.463827] br0: port 2(c2) entered disabled state
[  420.463865] c2: entered allmulticast mode
[  420.463932] c2: entered promiscuous mode
[  420.476612] br0: port 3(c3) entered blocking state
[  420.476679] br0: port 3(c3) entered disabled state
[  420.476744] c3: entered allmulticast mode
[  420.476826] c3: entered promiscuous mode
[  420.489636] br0: port 4(sender) entered blocking state
[  420.489678] br0: port 4(sender) entered disabled state
[  420.489713] sender: entered allmulticast mode
[  420.489766] sender: entered promiscuous mode
[  420.494880] br0: port 4(sender) entered blocking state
[  420.494949] br0: port 4(sender) entered forwarding state
[  420.495013] br0: port 3(c3) entered blocking state
[  420.495074] br0: port 3(c3) entered forwarding state
[  420.495152] br0: port 2(c2) entered blocking state
[  420.495214] br0: port 2(c2) entered forwarding state
[  420.495280] br0: port 1(c1) entered blocking state
[  420.495347] br0: port 1(c1) entered forwarding state
[  420.502399] Bridge firewalling registered
[  431.119036] br0: port 1(c1) entered disabled state
[  431.119571] c1 (unregistering): left allmulticast mode
[  431.119614] c1 (unregistering): left promiscuous mode
[  431.119644] br0: port 1(c1) entered disabled state
[  431.145959] br0: port 3(c3) entered disabled state
[  431.146044] br0: port 2(c2) entered disabled state
[  431.146167] c3 (unregistering): left allmulticast mode
[  431.146207] c3 (unregistering): left promiscuous mode
[  431.146238] br0: port 3(c3) entered disabled state
[  431.146438] c2 (unregistering): left allmulticast mode
[  431.146472] c2 (unregistering): left promiscuous mode
[  431.146504] br0: port 2(c2) entered disabled state
[  431.165981] sender: left allmulticast mode
[  431.166016] sender: left promiscuous mode
[  431.166043] br0: port 4(sender) entered disabled state